Is the dual-turbo Model of the 13B engine built to electricity the 3rd-generation RX-7 launched in late 1991. Each individual rotor on 13B-REW has an individual combustion chamber quantity of 654cc. With two rotors, the total displacement was 1308cc. Best fit for just a Mazda swap or alternative challenge. Shop https://messiahnlibr.blogoscience.com/40040903/not-known-details-about-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale